Acquired Intangible Assets - Components of Acquired Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 01, 2017	Apr. 02, 2016
Acquired Finite-Lived Intangible Assets [Line Items]
Gross intangible assets	$ 28,558	$ 28,292
Less accumulated amortization	(21,994)	(21,146)
Total acquired intangible assets	6,564	7,146
Developed technology
Acquired Finite-Lived Intangible Assets [Line Items]
Gross intangible assets	$ 18,646	19,457
Weighted average useful life	7 years 5 months 16 days
Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Gross intangible assets	$ 3,914	3,154
Weighted average useful life	5 years 3 months 5 days
Customer backlog
Acquired Finite-Lived Intangible Assets [Line Items]
Gross intangible assets	$ 1,270	1,341
Weighted average useful life	1 year
Trade name and trademarks
Acquired Finite-Lived Intangible Assets [Line Items]
Gross intangible assets	$ 793	463
Weighted average useful life	3 years 9 months 30 days
Fair value of below-market lease
Acquired Finite-Lived Intangible Assets [Line Items]
Below Market Lease, Gross	$ 310	310
Weighted average useful life	3 years 9 months 18 days
Change of control agreements
Acquired Finite-Lived Intangible Assets [Line Items]
Gross intangible assets	$ 160	100
Weighted average useful life	2 years 1 month 15 days
Patents
Acquired Finite-Lived Intangible Assets [Line Items]
Gross intangible assets	$ 3,465	$ 3,467
Weighted average useful life	13 years 3 months 9 days